PRP Records

Probable Primes Top 10000

(293510 PRPs in the top)


What is a PRP ?

A PRP is a probable prime number, a number that nobody knows how to prove or disprove its primality.
Here are some criterions that can be used to recognize these numbers :

- N does not have any prime factor up to 2^32.
- N cannot be trivially written into a product.
- Take 3 square-free consecutive bases such that (b1/N)=(b2/N)=(b3/N)= -1. N should be such that b1^((N-1)/2)=b2^((N-1)/2)=b3^((N-1)/2)= -1 (mod N).
- Take a prime base such that (b/N)= -1 and b<>b1<>b2<>b3. N should pass the strong test in base b.
- or more (if someone has got an idea) !!!


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1-250   251-500   501-750   751-1000   1001-1250   1251-1500   1501-1750   1751-2000   
2001-2250   2251-2500   2501-2750   2751-3000   3001-3250   3251-3500   3501-3750   3751-4000   
4001-4250   4251-4500   4501-4750   4751-5000   5001-5250   5251-5500   5501-5750   5751-6000   
6001-6250   6251-6500   6501-6750   6751-7000   7001-7250   7251-7500   7501-7750   7751-8000   
8001-8250   8251-8500   8501-8750   8751-9000   9001-9250   9251-9500   9501-9750   9751-10000   


Rank Probable prime Digits (> 50000) Who ? When ?
9753(2^311580+7)/59132993790Lelio R Paula06/2013
975110^93790-12345678993790Robert Price02/2020
975210^93790-15751793790Patrick De Geest04/2020
9754(49*10^93782+293)/993783Robert Price03/2021
975512^86900-7793781Lelio R Paula06/2016
97562^311508-10976993774Enzo Doria04/2014
97572^311486-185962193767Enzo Doria03/2016
9758Phi(93811,10)/968129521/2109997013/3280113810431/63963778254583193765Kurt Beschorner04/2015
9759(10^93811-1)/(9*968129521*2109997013*3280113810431*639637782545831)93765Gord Palameta10/2018
97602^311471+31146993763Renaud Lifchitz01/2003
9761(88*10^93760-1)/393762Robert Price10/2017
97622^311426+7945993749Enzo Doria06/2016
976321537^21634+21634^2153793745Norbert Schneider04/2020
97642^311409+11154643593744Paul Bourdelais10/2021
9765(2^311360+3078)/293729Stefano Morozzi09/2020
9766(2^311341+2186)/293723Stefano Morozzi09/2020
9767(2^311313+774)/293715Stefano Morozzi09/2020
97692^311294+577593709Lelio R Paula03/2016
976825155^5312+5312^2515593709Hans Havermann09/2020
97702^311252-101793697Lelio R Paula03/2016
97712^311247-11204193695Enzo Doria06/2014
97727*10^93692-8393693Robert Price09/2017
97732^311205-10964593683Enzo Doria04/2014
97745^134027-8493681Lelio R Paula04/2016
9775(2^311148-1017)/55793663Lelio R Paula06/2013
9776(2^311027-2^155514+1)/59362811/2006
977726748^3161+3161^2674893614Hans Havermann08/2020
97783^196192-2893608Robert Price12/2013
9779216091#+26143393606Makoto Morimoto12/2015
97805^133917+6893604Lelio R Paula04/2016
97812^310924-170993598Yves Minet03/2013
978224555^6476+6476^2455593587Hans Havermann08/2020
9783(2^310867+734)/293580Stefano Morozzi09/2020
9784(266*10^93577-11)/393579Robert Price09/2016
9785(16*10^93577+161)/393578Robert Price05/2016
97863^196113-5693570Lelio R Paula04/2016
97872^310806-11034593562Enzo Doria05/2014
97883^196093+8693561Lelio R Paula04/2016
97892^310780-232793555Yves Minet10/2013
979030^63332+4193550Lelio R Paula08/2012
9791(21181*2^310707+1)/2193536Lelio R Paula06/2014
97928*5^133807+793528Lelio R Paula10/2014
97932^310686+819393526Lelio R Paula03/2016
979422681^13282+13282^2268193520Hans Havermann09/2020
97952^310646+6393514Lelio R Paula11/2012
9796(77*10^93508+31)/993509Robert Price10/2015
9797((2^103536+1)^3-2)/393502Serge Batalov03/2023
9798(1000907^15583+1)/100090893499Faysal YAtim04/2009
9799(2*10^93497+7)/993497Erik Branger03/2011
98003^195958-11285293496Enzo Doria07/2014
98012^310583+1638593495Lelio R Paula03/2016
9802(9913*2^310557-1)/3593490Lelio R Paula04/2015
98039*7^110614+293481Lelio R Paula11/2014
98045*3^195914-2^19591493476Jon Grantham08/2023
9805(19*10^93467+83)/393468Robert Price08/2020
98062^310469-829593461Lelio R Paula03/2016
98072^310459-115993458Yves Minet11/2012
98086^120075-9593437Lelio R Paula05/2016
9809(2^310362+1758)/293428Stefano Morozzi09/2020
9810256*19^73047+993412Eric Chen12/2022
9811148^43041-14793411Norbert Schneider05/2019
98132^310289+9832793407Yves Minet11/2010
9812fibonacci(446949)+393407Jon Grantham08/2023
981421769^19510+19510^2176993395Hans Havermann08/2020
98152^310217-11314393385Enzo Doria07/2014
98167^110494-6893379Lelio R Paula04/2016
98172^310184-11309393375Enzo Doria07/2014
98182^310180-11041793374Enzo Doria05/2014
9819gcd(V(1124905),5*F(224981)*(F(224981)-1)+1)93372Serge Batalov04/2015
9820(2^310173+3150)/293372Stefano Morozzi09/2020
98213^195669+6893358Lelio R Paula04/2016
982210^93356+9193357Robert Price04/2011
982310^93356-2831393356Patrick De Geest08/2013
9824(85*10^93346+23)/993347Robert Price11/2015
9825(3^195648-5)/315827693342Lelio R Paula04/2013
982610^93333+19106193334Patrick De Geest09/2022
982810^93333-400000193333Robert Price07/2021
982710^93333-4480793333Patrick De Geest09/2022
98292^310006+21349993322Enzo Doria09/2023
98303^195556+868093304Lelio R Paula04/2016
98312^309942-10999193302Enzo Doria04/2014
98322^309926-186730193298Enzo Doria03/2016
98332^309924+8595193297Yves Minet03/2011
98342^309896-422993288Yves Minet08/2018
9835(86*10^93263-77)/993264Robert Price05/2016
98366^119836-12593251Lelio R Paula05/2016
9837(77*10^93249-257)/993250Robert Price10/2017
983821822^18749+18749^2182293245Hans Havermann09/2020
98393^195430-293244Theodore Burton02/2007
9840(13*10^93236+47)/393237Robert Price01/2017
9841(67*10^93226-7)/393228Robert Price10/2017
9842(86*10^93217-221)/993218Robert Price06/2017
98432^309637-1632993211Enzo Doria04/2013
9844(41*10^93207+49)/993208Robert Price04/2016
98452^309598+2152993199Enzo Doria08/2023
984614^81312-5793194Lelio R Paula06/2016
984741^57783-4093192Theodore Burton02/2007
98483*10^93179-9793180Robert Price08/2017
98495*7^110252-493175Lelio R Paula11/2014
985022022^16959+16959^2202293140Hans Havermann08/2020
985183061!4-51293137Robert Price11/2019
985225169^5016+5016^2516993135Hans Havermann08/2020
9853(483641^16384+1)/293135Richard Fischer02/2021
98542^309380-2793133Lelio R Paula11/2012
985525653^4268+4268^2565393127Hans Havermann08/2020
9856(2^309355+1826)/293125Stefano Morozzi02/2021
9857(2^309334+2710)/293119Stefano Morozzi09/2020
985823*10^93116-793118Robert Price03/2016
9859(2^309270+3214)/293100Stefano Morozzi09/2020
9860(29*10^93082+1)/393083Robert Price11/2015
9861(2^309198+3738)/293078Stefano Morozzi09/2020
9862(58*10^93062-13)/993063Robert Price09/2015
9863(2^309138+1794)/293060Stefano Morozzi01/2021
98642^309131+186938393058Enzo Doria05/2016
9865(2^309114+3610)/293053Stefano Morozzi09/2020
98662^309066-9393039Lelio R Paula11/2012
98672^309063-11326993038Enzo Doria07/2014
98683^194965+1693022Robert Price10/2013
9869(89*10^93019-737)/993020Robert Price01/2022
98702^308979+186914393012Enzo Doria05/2016
98715^133064+5493008Lelio R Paula04/2016
9872(2^308947+2750)/293003Stefano Morozzi01/2021
9873(2^308905-509203)/11992988Lelio R Paula06/2013
9874(94*10^92981-49)/9992981Ray Chandler07/2011
9875(2*10^92976-17)/392976Robert Price08/2014
987624783^5642+5642^2478392972Hans Havermann08/2020
9877(472489^16384+1)/292969Richard Fischer01/2021
98782^308809+3796792961Phil Moore03/2008
9879(3^194825+5)/1165692952Lelio R Paula04/2013
988014774^22291-22291^1477492943Norbert Schneider08/2023
9881norm(Mod(x,x^3-x-1)^760951-1)92930Paul Vanderveen08/2022
9882(2^308679+5)/157392919Lelio R Paula06/2013
98832^308650+51392913Lelio R Paula02/2016
98845*7^109936+692908Lelio R Paula10/2014
98852*10^92897+8992898Robert Price07/2016
9886(19*23^68219-1867)/2292896Eric Chen08/2023
9887(2^308585+3182)/292894Stefano Morozzi09/2020
9888(467307^16384+1)/292891Richard Fischer01/2021
988912^86073-2992889Lelio R Paula06/2016
98902^308566-11792888Lelio R Paula11/2012
989111594^22851-22851^1159492872Norbert Schneider03/2022
9892(17*10^92869-11)/392870Robert Price07/2015
98932^308459+7543192856Enzo Doria04/2016
98942^308426-186637792846Enzo Doria03/2016
989524810^5521+5521^2481092840Hans Havermann09/2020
9896(96^46831-1)/9592830Paul Bourdelais09/2017
98972^308349-11211192823Enzo Doria06/2014
98989*10^92821+1992822Robert Price05/2016
98992^308337-7592819Lelio R Paula11/2012
99004*3^194508+792805Lelio R Paula08/2014
990122*25^66379-11392796Curtis Bright05/2015
990224538^6047+6047^2453892792Hans Havermann09/2020
990311^89101-108092790Enzo Doria12/2012
99042^308236-186785992789Enzo Doria04/2016
990512^85963+2592770Lelio R Paula06/2016
990623692^8221+8221^2369292753Hans Havermann08/2020
99077^109750-6692750Lelio R Paula04/2016
99089*10^92742+1192743Robert Kinser01/2017
9909(2^308054+778)/292734Stefano Morozzi09/2020
9910(21*2^308046-1)/885792729Lelio R Paula02/2014
99112^307997-11065592717Enzo Doria05/2014
9912L(443609)92709Renaud Lifchitz11/2003
991310^92691+992692Robert Price03/2011
991410^92691-25229192691Patrick De Geest08/2013
9915(2^307883+3506)/292682Stefano Morozzi09/2020
99162^307879-252192681Yves Minet07/2014
991721269^21412+21412^2126992666Norbert Schneider04/2020
9918(2^307780-7)/1995966992644Lelio R Paula06/2013
991914^80831+4792643Lelio R Paula06/2016
992015^78744+9292611Lelio R Paula07/2016
992165^51083-6492610Norbert Schneider11/2014
9922(2^307639+506)/292609Stefano Morozzi09/2020
9923131^43737-13092604Norbert Schneider02/2019
99246^118996-1694392597Enzo Doria02/2013
9925(16*10^92591+41)/392592Robert Price10/2017
9926(2^307566+3094)/292587Stefano Morozzi09/2020
9927(2^307528+1578)/292575Stefano Morozzi09/2020
99289*10^92573+8392574Robert Price11/2020
9929(3^194014-7)/292568Lelio R Paula04/2013
9930(2^307498+570)/292566Stefano Morozzi09/2020
9931(63^51439+1)/6492555Paul Bourdelais08/2017
9932(26*10^92546-77)/392547Robert Price02/2017
99333^193954+34092540Lelio R Paula04/2016
99342^307407-307407^292539Henri Lifchitz05/2005
993524299^6430+6430^2429992536Hans Havermann08/2020
9937(17*10^92513-11)/392514Robert Price07/2015
99362^307322-39907192514Harrison Mesh06/2022
99382^307318-421192512Yves Minet06/2011
99392^307280+19392501Lelio R Paula11/2012
994020^71075-3392471Lelio R Paula05/2016
99412^307126-7879592455Lelio R Paula02/2016
99422^307125-4978992454Henri Lifchitz08/2005
9943fibonacci(442372)-292450Jon Grantham08/2023
99442^307099+2392447Lelio R Paula11/2012
9945129^43798+12892440Norbert Schneider01/2019
994621826^17181+17181^2182692435Hans Havermann09/2020
9947Phi(277314,10)/332776992430Makoto Kamada05/2019
9948(2^307022+1038)/292423Stefano Morozzi09/2020
99497*10^92414-6992415Robert Price01/2017
9950(9787*2^306975-1)/212915592407Lelio R Paula04/2015
995122280^14037+14037^2228092402Hans Havermann09/2020
99522^306915+187337392391Enzo Doria06/2016
99532^306908+1291592389Lelio R Paula02/2016
995421620^18759+18759^2162092387Hans Havermann09/2020
995510^92386+11192387Jeppe Stig Nielsen02/2023
9956(2^306897+1142)/292385Stefano Morozzi09/2020
995719^72244-8092383Lelio R Paula06/2016
99592^306849+7592371Lelio R Paula11/2012
9958(397*10^92369+53)/992371Robert Price11/2017
99602^306813-86968810592360Lelio R Paula08/2016
9961(2^306797+2694)/292355Stefano Morozzi09/2020
996221713^17914+17914^2171392350Hans Havermann09/2020
99632^306672-10905992318Enzo Doria04/2014
9964(430463^16384+1)/292307Richard Fischer09/2020
996598*10^92295-992297Robert Price05/2023
99666^118604-1706392292Enzo Doria02/2013
996721969^15878+15878^2196992288Hans Havermann08/2020
996821690^17959+17959^2169092276Hans Havermann08/2020
9969(7613^23773-1)/761292273Serge Batalov08/2020
9970(31*2^306487-1)/229192260Lelio R Paula02/2014
99712^306467-183561192256Enzo Doria04/2015
99722^306433+7642792246Enzo Doria05/2016
99732^306430-11331392245Enzo Doria07/2014
9974(23*10^92244-59)/992245Robert Price03/2017
9975(47*2^306398+1)/138480392231Lelio R Paula04/2015
997621436^20043+20043^2143692217Hans Havermann09/2020
9977(25*10^92186+59)/392187Robert Price05/2016
99782^306213-28618392180Enzo Doria06/2015
997910^92178+6192179Robert Price04/2011
998010^92178-17550992178Patrick De Geest07/2013
99812^306200+118592176Lelio R Paula02/2016
9982(2^306171+1514)/292167Stefano Morozzi09/2020
99832^306153+1192162Lelio R Paula11/2012
9984(2^306141-7)/592157Lelio R Paula06/2013
998521725^17454+17454^2172592156Hans Havermann09/2020
9986(26*10^92152-23)/392153Robert Price08/2016
9987(2*10^92152+67)/392152Robert Price04/2017
9988640*27^64370+1792140Eric Chen02/2023
998921368^20457+20457^2136892115Hans Havermann08/2020
9990(2^305996+3018)/292114Stefano Morozzi09/2020
99914*10^92099+3*7^9209992100Mike Oakes12/2010
999230504^1045+1045^3050492096Hans Havermann08/2020
999324334^6085+6085^2433492087Hans Havermann08/2020
9994(2^305898+2262)/292085Stefano Morozzi01/2021
9995(4591^25147-1)/459092083Serge Batalov08/2020
9996115^44684+11492081Norbert Schneider07/2018
9997(416771^16384+1)/292077Richard Fischer08/2020
9998(2^305867-2^152934+1)/59207511/2006
99992^305851-10949592071Enzo Doria04/2014
10000(416213^16384+1)/292067Richard Fischer08/2020


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: September, 29 2023 15:19 (Time in France)

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